Four Units in the Castro for under $1,000,000. 4156-4158 20th Street is a four unit building located between Castro and Hartford Streets. Built in 1900, (per SF tax records) the property houses four-1bd units. One of which will be delivered vacant. There is finished space on the basement level which could potentially be converted into legal livable space or used for storage. The location offers excellent walking access to the shops, restaurants, and bars along Castro Street. Castro station is a short walk only three blocks away. Local attractions within a couple blocks include Phillz Coffee, The Castro Theatre, Kasa, Harvey's, Anchor Oyster Bar, Cliff's Variety Store, Mollie Stone's, Soulcycle, and Dolores Park. 4156-4158 20th Street offers tremendous value in a fantastic location.